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Proteins get denatured when acid is added and this forms a white coagulum which is slightly yellow in colour because of nitro- derivatives of proteins given by aromatic amino acids.
Read more: What_is_the_basis_of_Heller's_test_in_biochemistryget denatured when acid is added and this forms a white coagulum which is slightly yellow in colour because of nitro- derivatives of proteins given by aromatic amino acids.
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What is the chemical basis for a positive test in Molisch's test?
See this link.
What are the reagent use to identify the cellulose in an experiment?
In an experiment to identify cellulose, reagents such as iodine solution and sulfuric acid are commonly used. Iodine solution turns blue-black in the presence of cellulose, while sulfuric acid can break down cellulose into its constituent glucose monomers for further analysis.
Can you stain pleather?
It is possible to stain pleather, but it may not absorb the stain as well as real leather. Be sure to follow the manufacturer's instructions for the specific type of pleather you have, and test a small, inconspicuous area before applying the stain to the entire piece.
Can you stain Masonite?
Yes, Masonite can be stained using a wood stain. It is important to ensure the Masonite is clean, dry, and free from any existing finishes before applying the stain. Test the stain on a small, inconspicuous area first to ensure you achieve the desired color before applying it to the entire surface.
Is Gram stain and the Zeihl-Neelsen stain are two different ways of referring to the same test?
No, Gram stain and Ziehl-Neelsen stain are two different types of staining methods used in microbiology. Gram stain is used to differentiate bacteria based on their cell wall composition (Gram-positive and Gram-negative), while Ziehl-Neelsen stain is used to detect acid-fast bacteria like Mycobacterium tuberculosis.
What is Perls test?
a test for hemosiderin, utilizing Perls Prussian blue stain.
What test may be used to determine if a stain is blood or not?
The most common test used to determine if a stain is blood is the Hemastix test. This test involves using a strip of paper coated with a chemical that changes color in the presence of blood. If the stain contains blood, the paper will turn green due to the presence of hemoglobin.
What is secondary stain?
A secondary stain is Methylene blue. This type of stain is used in a acid fast staining. This type of staining test can determine medical conditions such as tuberculosis.
What is the chemical basis for a positive test in Molisch's test?
See this link.
Which is an example of an intelligence test that would be administered on an individual basis?
The Wechsler Scale is an example of an intelligence test that would be administered on an individual basis.
What supreme court will uphold a law concerning a given group as long as the law is it reasonably related to a legitimate government interest?
Apex-type question, reworded to preserve answer
What is Congo Red?
Congo red is the sodium salt of benzidinediazo-bis-1-naphtylamine-4-sulfonic acid (formula: C32H22N6Na2O6S2). It is a secondary diazo dye. Congo red is water soluble, yielding a red colloidal solution; its solubility is better in organic solvents such as ethanol.It has a strong, though apparently non-covalent affinity to cellulose fibres. However, the use of Congo red in the cellulose industries (cotton textile, wood pulp & paper) has long been abandoned, mainly because of its toxicity.Conga Red is an acidic stain primarily used to stain bacterial cells to test for capsules. The Conga Red stain is used to stain a microscope slide background against the colorless cell. Then a basic stain like Maneval's Stain is used to stain the cell. The capsule surrounding some cells will repel the stains and appear colorless against a red (Conga Red) background. The cell inside the capsule will be stained light purple from the Maneval's Stain.
What are the reagent use to identify the cellulose in an experiment?
In an experiment to identify cellulose, reagents such as iodine solution and sulfuric acid are commonly used. Iodine solution turns blue-black in the presence of cellulose, while sulfuric acid can break down cellulose into its constituent glucose monomers for further analysis.
Can you stain pleather?
It is possible to stain pleather, but it may not absorb the stain as well as real leather. Be sure to follow the manufacturer's instructions for the specific type of pleather you have, and test a small, inconspicuous area before applying the stain to the entire piece.
How can I darken wood stain without stripping it?
To darken wood stain without stripping it, you can apply additional coats of a darker stain on top of the existing stain. This will deepen the color without removing the original stain. Make sure to test the new stain on a small, inconspicuous area first to ensure it achieves the desired shade.
What was the purpose of performing the Chi-Square test?
It is often a "goodness of fit" test. This is a test of how well the observations match the frequencies that would have been expected on theoretical basis. The theoretical basis may simply be your hypothesis.
Test basis?
All documents from which the requirements of a component or system can be inferred. The documentation on which the test cases are based.
